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dcarroll |
1.1 |
C $Header: /u/gcmpack/MITgcm/pkg/shelfice/shelfice_forcing.F,v 1.6 2015/04/22 13:12:19 dgoldberg Exp $ |
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C $Name: $ |
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#include "SHELFICE_OPTIONS.h" |
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C-- File shelfice_forcing.F: |
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C-- Contents |
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C-- o SHELFICE_FORCING_T |
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C-- o SHELFICE_FORCING_S |
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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CBOP |
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C !ROUTINE: SHELFICE_FORCING_T |
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C !INTERFACE: |
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SUBROUTINE SHELFICE_FORCING_T( |
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U gT_arr, |
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I iMin,iMax,jMin,jMax, kLev, bi, bj, |
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I myTime, myIter, myThid ) |
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C !DESCRIPTION: \bv |
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C *==========================================================* |
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C | S/R SHELFICE_FORCING_T |
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C | o Contains problem specific forcing for temperature. |
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C *==========================================================* |
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C | Adds terms to gT for forcing by shelfice sources |
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C | e.g. heat flux |
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C *==========================================================* |
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C \ev |
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C !USES: |
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IMPLICIT NONE |
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C == Global data == |
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#include "SIZE.h" |
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#include "EEPARAMS.h" |
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#include "PARAMS.h" |
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#include "GRID.h" |
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c#include "DYNVARS.h" |
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c#include "FFIELDS.h" |
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#include "SHELFICE.h" |
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C !INPUT/OUTPUT PARAMETERS: |
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C gT_arr :: the tendency array |
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C iMin,iMax :: Working range of x-index for applying forcing. |
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C jMin,jMax :: Working range of y-index for applying forcing. |
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C kLev :: Current vertical level index |
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C bi,bj :: Current tile indices |
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C myTime :: Current time in simulation |
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C myIter :: Current iteration number |
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C myThid :: my Thread Id number |
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_RL gT_arr(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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INTEGER iMin, iMax, jMin, jMax |
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INTEGER kLev, bi, bj |
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_RL myTime |
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INTEGER myIter |
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INTEGER myThid |
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#ifdef ALLOW_SHELFICE |
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C !LOCAL VARIABLES: |
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C == Local variables == |
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C i,j :: Loop counters |
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C kp1,km1 :: index of next/previous level |
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C gTloc :: local tendency in boundary layer |
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C drLoc :: fractional cell width of boundary layer in (k+/-1)th layer |
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INTEGER i, j |
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INTEGER Kp1, Km1 |
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_RS drLoc |
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_RL gTloc |
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CEOP |
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C-- Forcing term |
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IF ( SHELFICEboundaryLayer ) THEN |
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DO j=1,sNy |
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DO i=1,sNx |
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IF ( kLev .LT. Nr .AND. kLev .EQ. kTopC(I,J,bi,bj) ) THEN |
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kp1 = MIN(kLev+1,Nr) |
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drLoc = drF(kLev)*( 1. _d 0 - _hFacC(I,J,kLev,bi,bj) ) |
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drLoc = MIN( drLoc, drF(Kp1) * _hFacC(I,J,Kp1,bi,bj) ) |
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drLoc = MAX( drLoc, 0. _d 0) |
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gTloc = shelficeForcingT(i,j,bi,bj) |
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& /( drF(kLev)*_hFacC(I,J,kLev,bi,bj)+drLoc ) |
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gT_arr(i,j) = gT_arr(i,j) + gTloc |
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ELSEIF ( kLev .GT. 1 .AND. kLev-1 .EQ. kTopC(I,J,bi,bj) ) THEN |
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km1 = MAX(kLev-1,1) |
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drLoc = drF(km1)*( 1. _d 0 - _hFacC(I,J,km1,bi,bj) ) |
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drLoc = MIN( drLoc, drF(kLev) * _hFacC(I,J,kLev,bi,bj) ) |
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drLoc = MAX( drLoc, 0. _d 0) |
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gTloc = shelficeForcingT(i,j,bi,bj) |
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& /( drF(km1)*_hFacC(I,J,km1,bi,bj)+drLoc ) |
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C The following is shorthand for the averaged tendency: |
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C gT(k+1) = gT(k+1) + { gTloc * [drF(k)*(1-hFacC(k))] |
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C + 0 * [drF(k+1) - drF(k)*(1-hFacC(k))] |
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C }/[drF(k+1)*hFacC(k+1)] |
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gT_arr(i,j) = gT_arr(i,j) + gTloc |
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& * drLoc*recip_drF(kLev)* _recip_hFacC(i,j,kLev,bi,bj) |
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ENDIF |
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ENDDO |
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ENDDO |
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ENDIF |
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#ifdef shelfice_new_thermo |
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DO j=1,sNy |
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DO i=1,sNx |
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C-- TENDENCY FROM ICE FRONT |
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gT_arr(i,j) = gT_arr(i,j) + iceFrontForcingT(i,j,kLev,bi,bj) |
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C-- TENDENCY FROM ICE SHELF |
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IF ( kLev .EQ. kTopC(I,J,bi,bj) ) THEN |
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gT_arr(i,j) = gT_arr(i,j) + shelficeForcingT(i,j,bi,bj) |
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ENDIF |
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ENDDO |
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ENDDO |
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#endif /* shelfice_new_thermo */ |
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#endif /* ALLOW_SHELFICE */ |
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RETURN |
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END |
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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CBOP |
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C !ROUTINE: SHELFICE_FORCING_S |
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C !INTERFACE: |
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SUBROUTINE SHELFICE_FORCING_S( |
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U gS_arr, |
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I iMin,iMax,jMin,jMax, kLev, bi, bj, |
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I myTime, myIter, myThid ) |
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C !DESCRIPTION: \bv |
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C *==========================================================* |
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C | S/R SHELFICE_FORCING_S |
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C | o Contains problem specific forcing for merid velocity. |
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C *==========================================================* |
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C | Adds terms to gS for forcing by shelfice sources |
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C | e.g. fresh-water flux (virtual salt flux). |
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C *==========================================================* |
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C \ev |
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C !USES: |
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IMPLICIT NONE |
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C == Global data == |
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#include "SIZE.h" |
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#include "EEPARAMS.h" |
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#include "PARAMS.h" |
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#include "GRID.h" |
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c#include "DYNVARS.h" |
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c#include "FFIELDS.h" |
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#include "SHELFICE.h" |
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C !INPUT/OUTPUT PARAMETERS: |
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C gS_arr :: the tendency array |
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C iMin,iMax :: Working range of x-index for applying forcing. |
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C jMin,jMax :: Working range of y-index for applying forcing. |
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C kLev :: Current vertical level index |
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C bi,bj :: Current tile indices |
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C myTime :: Current time in simulation |
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C myIter :: Current iteration number |
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C myThid :: my Thread Id number |
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_RL gS_arr(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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INTEGER iMin, iMax, jMin, jMax |
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INTEGER kLev, bi, bj |
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_RL myTime |
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INTEGER myIter |
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INTEGER myThid |
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#ifdef ALLOW_SHELFICE |
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C !LOCAL VARIABLES: |
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C i,j :: Loop counters |
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C kp/m1 :: index of next/previous level |
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C gTloc :: local tendency in boundary layer |
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C drLoc :: fractional cell width of boundary layer |
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INTEGER i, j |
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INTEGER Kp1, Km1 |
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_RS drLoc |
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_RL gSloc |
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CEOP |
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C-- Forcing term |
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IF ( SHELFICEboundaryLayer ) THEN |
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DO j=1,sNy |
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DO i=1,sNx |
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IF ( kLev .LT. Nr .AND. kLev .EQ. kTopC(I,J,bi,bj) ) THEN |
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kp1 = MIN(kLev+1,Nr) |
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drLoc = drF(kLev)*( 1. _d 0 - _hFacC(I,J,kLev,bi,bj) ) |
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drLoc = MIN( drLoc, drF(Kp1) * _hFacC(I,J,Kp1,bi,bj) ) |
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drLoc = MAX( drLoc, 0. _d 0) |
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gSloc = shelficeForcingS(i,j,bi,bj) |
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& /( drF(kLev)*_hFacC(I,J,kLev,bi,bj)+drLoc ) |
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gS_arr(i,j) = gS_arr(i,j) + gSloc |
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ELSEIF ( kLev .GT. 1 .AND. kLev-1 .EQ. kTopC(I,J,bi,bj) ) THEN |
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km1 = MAX(kLev-1,1) |
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drLoc = drF(km1)*( 1. _d 0 - _hFacC(I,J,km1,bi,bj) ) |
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drLoc = MIN( drLoc, drF(kLev) * _hFacC(I,J,kLev,bi,bj) ) |
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drLoc = MAX( drLoc, 0. _d 0) |
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gSloc = shelficeForcingS(i,j,bi,bj) |
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& /( drF(km1)*_hFacC(I,J,km1,bi,bj)+drLoc ) |
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C The following is shorthand for the averaged tendency: |
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C gS(k+1) = gS(k+1) + { gSloc * [drF(k)*(1-hFacC(k))] |
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C + 0 * [drF(k+1) - drF(k)*(1-hFacC(k))] |
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C }/[drF(k+1)*hFacC(k+1)] |
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gS_arr(i,j) = gS_arr(i,j) + gSloc |
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& * drLoc*recip_drF(kLev)* _recip_hFacC(i,j,kLev,bi,bj) |
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ENDIF |
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ENDDO |
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ENDDO |
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ENDIF |
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#ifdef shelfice_new_thermo |
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DO j=1,sNy |
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DO i=1,sNx |
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C-- TENDENCY FROM ICE FRONT |
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gS_arr(i,j) = gS_arr(i,j) + iceFrontForcingS(i,j,kLev,bi,bj) |
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C-- TENDENCY FROM ICE SHELF |
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IF ( kLev .EQ. kTopC(I,J,bi,bj) ) THEN |
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gS_arr(i,j) = gS_arr(i,j) + shelficeForcingS(i,j,bi,bj) |
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ENDIF |
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ENDDO |
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ENDDO |
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#endif /* shelfice_new_thermo */ |
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#endif /* ALLOW_SHELFICE */ |
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RETURN |
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END |
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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CBOP |
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C !ROUTINE: SHELFICE_FORCING_TR |
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C !INTERFACE: |
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SUBROUTINE SHELFICE_FORCING_TR( |
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O gTR_arr, |
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I ptracerFlag, |
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I iMin,iMax,jMin,jMax, kLev, bi, bj, |
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I myTime, myIter, myThid ) |
| 231 |
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| 232 |
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C !DESCRIPTION: \bv |
| 233 |
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C *==========================================================* |
| 234 |
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C | S/R SHELFICE_FORCING_TR |
| 235 |
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C | o Contains problem specific forcing for merid velocity. |
| 236 |
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C *==========================================================* |
| 237 |
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C | Adds terms to ptracers for forcing by shelfice sources |
| 238 |
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C *==========================================================* |
| 239 |
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C \ev |
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C !USES: |
| 242 |
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IMPLICIT NONE |
| 243 |
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C == Global data == |
| 244 |
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#include "SIZE.h" |
| 245 |
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#include "EEPARAMS.h" |
| 246 |
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#include "PARAMS.h" |
| 247 |
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#include "GRID.h" |
| 248 |
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c#include "DYNVARS.h" |
| 249 |
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c#include "FFIELDS.h" |
| 250 |
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#include "SHELFICE.h" |
| 251 |
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| 252 |
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C !INPUT/OUTPUT PARAMETERS: |
| 253 |
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C gT_arr :: the tendency array |
| 254 |
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C iMin,iMax :: Working range of x-index for applying forcing. |
| 255 |
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C jMin,jMax :: Working range of y-index for applying forcing. |
| 256 |
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C kLev :: Current vertical level index |
| 257 |
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C bi,bj :: Current tile indices |
| 258 |
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C myTime :: Current time in simulation |
| 259 |
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C myIter :: Current iteration number |
| 260 |
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C myThid :: my Thread Id number |
| 261 |
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INTEGER iMin, iMax, jMin, jMax |
| 262 |
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INTEGER kLev, bi, bj |
| 263 |
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_RL myTime |
| 264 |
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INTEGER myIter |
| 265 |
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INTEGER myThid |
| 266 |
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INTEGER ptracerFlag |
| 267 |
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| 268 |
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#ifdef ALLOW_SHELFICE |
| 269 |
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C !LOCAL VARIABLES: |
| 270 |
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C i,j :: Loop counters |
| 271 |
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INTEGER i, j |
| 272 |
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INTEGER maxIceFront |
| 273 |
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_RL gTR_arr(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 274 |
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_RL iceFrontForcingTRLoc(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 275 |
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_RL shelficeForcingTRLoc(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 276 |
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CEOP |
| 277 |
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| 278 |
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maxIceFront = 0. _d 0 |
| 279 |
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| 280 |
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DO j=1,sNy |
| 281 |
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DO i=1,sNx |
| 282 |
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| 283 |
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gTr_arr(i,j) = 0. _d 0 |
| 284 |
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| 285 |
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maxIceFront = MAX(K_icefront(i,j,bi,bj), |
| 286 |
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& maxIceFront) |
| 287 |
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| 288 |
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ENDDO |
| 289 |
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ENDDO |
| 290 |
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| 291 |
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#ifdef shelfice_new_thermo |
| 292 |
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DO j=1,sNy |
| 293 |
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DO i=1,sNx |
| 294 |
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| 295 |
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iceFrontForcingTRLoc(i,j) = ABS(MIN( |
| 296 |
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& iceFrontForcingTR(i,j,kLev,bi,bj), 0. _d 0)) |
| 297 |
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| 298 |
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shelficeForcingTRLoc = ABS(MIN( |
| 299 |
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& shelficeForcingTR(i,j,bi,bj), 0. _d 0)) |
| 300 |
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| 301 |
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C do icefront only |
| 302 |
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if(ptracerFlag .EQ. 1. _d 0) then |
| 303 |
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if(kLev .LE. maxIceFront) then |
| 304 |
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| 305 |
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gTR_arr(i,j) = iceFrontForcingTRLoc(i,j) / |
| 306 |
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& drF(kLev) |
| 307 |
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| 308 |
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else |
| 309 |
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| 310 |
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gTR_arr(i,j) = 0. _d 0 |
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endif |
| 313 |
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endif |
| 314 |
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| 315 |
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C do shelfice only |
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| 317 |
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if(ptracerFlag .EQ. 2. _d 0) then |
| 318 |
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if (kLev .EQ. kTopC(I,J,bi,bj)) then |
| 319 |
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| 320 |
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gTR_arr(i,j) = shelficeForcingTRLoc(i,j) / |
| 321 |
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& drF(kLev) |
| 322 |
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| 323 |
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else |
| 324 |
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| 325 |
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gTR_arr(i,j) = 0. _d 0 |
| 326 |
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| 327 |
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endif |
| 328 |
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endif |
| 329 |
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| 330 |
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C do icefront and shelfice |
| 331 |
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if(ptracerFlag .EQ. 3. _d 0) then |
| 332 |
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if(kLev .LE. maxIceFront) then |
| 333 |
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| 334 |
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gTR_arr(i,j) = iceFrontForcingTRLoc(i,j) / |
| 335 |
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& drF(kLev) |
| 336 |
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|
| 337 |
|
|
else if(kLev .EQ. kTopC(I,J,bi,bj)) then |
| 338 |
|
|
|
| 339 |
|
|
gTR_arr(i,j) = gTR_arr(i,j) + |
| 340 |
|
|
& shelficeForcingTRLoc(i,j)/drF(kLev) |
| 341 |
|
|
|
| 342 |
|
|
else |
| 343 |
|
|
|
| 344 |
|
|
gTR_arr(i,j) = 0. _d 0 |
| 345 |
|
|
|
| 346 |
|
|
endif |
| 347 |
|
|
endif |
| 348 |
|
|
|
| 349 |
|
|
ENDDO |
| 350 |
|
|
ENDDO |
| 351 |
|
|
#endif /* shelfice_new_thermo */ |
| 352 |
|
|
|
| 353 |
|
|
#endif /* ALLOW_SHELFICE */ |
| 354 |
|
|
RETURN |
| 355 |
|
|
END |
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